+2: Untap each enchanted permanent you control. −1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and umbra armor. −7: Mill seven cards. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards. Estrid, the Masked can be your commander.

Flash When this enchantment enters, exile target spell. Your opponents can't cast spells with the same name as the exiled card. When this enchantment leaves the battlefield, return the exiled card to its owner's hand.